[PW] three old questions, again

peter macinnis petermacinnis at ozemail.com.au
Sun Feb 14 13:08:06 PST 2021

You are describing a scramble crossing, common in Japan, and not unknown 
in Australia.

peter macinnis

On 15/02/2021 04:29, solomons1pal at aol.com wrote:
> 1.  Years ago a traffic engineer proposed a new way to keep pedestrians safe from auto traffic, and autos from other autos.  He wanted traffic lights to operate in a three-phase cycle: in phase one, pedestrians would not move, and only north-south auto traffic would move; in phase two, pedestrians would not move, and only east-west auto traffic would move; in phase three, no autos would move, and pedestrians could move in any direction they pleased, including diagonally.  I believe this idea was tried in San Francisco, but obviously not adopted.  I wonder what problem was found to prevent its adoption; it looks promising to me.  When I first asked this question years ago, no one gave me any good answers; the only one I recall is that someone said that people couldn't get the hang of it.  What I'm hoping for is a pointer to some authoritative report.

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